Ranunculus lobbii

(Hiern) A. Gray

Proc. Amer. Acad. Arts 21: 364. 1886.

Endemic
Basionym: Ranunculus hydrocharis Spenner f. lobbii Hiern J. Bot. 9: 66. 1871
Treatment appears in FNA Volume 3.

Stems glabrous. Leaves laminate and filiform-dissected; laminate leaf-blades reniform in outline, deeply 3-parted, 0.5-0.8 × 0.9-1.5 cm, segments elliptic or obovate, margins sometimes notched; filiform-dissected leaves sometimes few and inconspicuous, stipules gradually tapering upward, connate for whole length, mostly petiolate. Flowers: receptacle glabrous; sepals spreading, 2-3 × 1-1.5 mm, glabrous; petals 5, 4-6 × 2-5 mm; style 1-1.5 mm. Fruiting pedicels recurved. Heads of achenes hemispheric, 3 × 4-5 mm; achenes 2-2.4 × 1.4-1.8 mm, glabrous; beak deciduous, sometimes leaving stub to 0.2 mm.


Phenology: Flowering late winter–spring (Mar–May).
Habitat: Shallow ponds and vernal pools
Elevation: 0-300 m

Discussion

Selected References

None.

Lower Taxa

None.

"connate" is not a number.

... more about "Ranunculus lobbii"
not prolonged +
flattened-ellipsoid +  and ellipsoid +
1-2 times as wide as thick +
0.2 cm2 mm <br />0.002 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
1.4mm;1.8mm +
Alan T. Whittemore +
(Hiern) A. Gray +
cuneate +, truncate +  and cordate +
Ranunculus hydrocharis +
curved +  and straight +
deciduous +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
large +  and small +
globose;cylindric +
2-50-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
B.C. +, Calif. +  and Oreg. +
0-300 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Shallow ponds and vernal pools +
3 cm30 mm <br />0.03 m <br /> (?) +
hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
whorled +, opposite +  and alternate +
inconspicuous +
filiform-dissected +
palmate +  and pinnate +
0.5cm;0.8cm +
notched;obovate;elliptic;3-parted +
0.9cm;1.5cm +
distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
conspicuous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering late winter–spring (Mar–May). +
4 +  and 250 +
Proc. Amer. Acad. Arts +
not arillate +  and stalked +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
Notched (?) +, Obovate (?) +, Elliptic (?) +  and 3-parted (?) +
entire to shallowly +
0.9 cm9 mm <br />0.009 m <br /> (?) +  and 1.5 cm15 mm <br />0.015 m <br /> (?) +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
not bulbous-based +
floating +  and creeping +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Undefined subg. Batrachium +
Ranunculus lobbii +
Ranunculus subg. Batrachium +
species +
perennial +  and annual +
herbaceous +  and woody +